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Finding the Fourth Proportional to 8,738,409.92, 13,098,520.90 and 4,894,597.04

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Solution

The fourth proportional to 8,738,409.92, 13,098,520.90 and 4,894,597.04 is: 7,336,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,409.92 : 13,098,520.90 = 4,894,597.04 : x
  2. Step 2: Convert to fraction form
    8,738,409.92/13,098,520.90 = 4,894,597.04/x
  3. Step 3: Cross multiply
    8,738,409.92x = 13,098,520.90 × 4,894,597.04
  4. Step 4: Simplify right side
    8,738,409.92x = 64,111,981,625,518.14
  5. Step 5: Solve for x
    x = 64,111,981,625,518.14/8,738,409.92
  6. Step 6: Final answer
    x = 7,336,801.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.